20205000

Names of 20205000

• Cardinal: 20205000 can be written as Twenty million, two hundred five thousand.

Scientific notation

• Scientific notation: 2.0205 × 10⁷

Factors of 20205000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 459

Divisors of 20205000

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 125 150 180 200 225 250 300 360 375 449 450 500 600 625 750 898 900 1000 1125 1250 1347 1500 1796 1800 1875 2245 2250 2500 2694 3000 3592 3750 4041 4490 4500 5000 5388 5625 6735 7500 8082 8980 9000 10776 11225 11250 13470 15000 16164 17960 20205 22450 22500 26940 32328 33675 40410 44900 45000 53880 56125 67350 80820 89800 101025 112250 134700 161640 168375 202050 224500 269400 280625 336750 404100 449000 505125 561250 673500 808200 841875 1010250 1122500 1347000 1683750 2020500 2245000 2525625 3367500 4041000 5051250 6735000 10102500 20205000
• Sum of all divisors σ(n): 68532750
• Sum of proper divisors (its aliquot sum) s(n): 48327750
• 20205000 is an abundant number, because the sum of its proper divisors (48327750) is greater than itself. Its abundance is 28122750

Bases of 20205000

• Binary: 1001101000100110111001000₂
• Hexadecimal: 0x1344DC8
• Base-36: C12A0

Squares and roots of 20205000

• 20205000 squared (20205000²) is 408242025000000
• 20205000 cubed (20205000³) is 8248530115125000000000
• The square root of 20205000 is 4494.9972191315
• The cube root of 20205000 is 272.3660368945

Scales and comparisons

• 20,205,000 seconds is equal to 33 weeks, 2 days, 20 hours, 30 minutes.
• To count from 1 to 20,205,000 would take you about fifty weeks!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 20205000 cubic inches would be around 22.7 feet tall.

Recreational maths with 20205000

• 20205000 backwards is 00050202
• 20205000 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20205000's digits is 9
• More coming soon!